Antique Art Deco ring by The Lambert Brothers Co., America, circa 1925–1930, crafted in solid platinum/iridium (.900 Pt) with crisp incised engraving and iconic dotted millegrain throughout. Centered with a millegrain bezel-set European-cut round brilliant diamond (6.1mm; approx. 0.80 ct, G/H color, VS clarity) and accented by 30 calibrated European-cut round diamonds in flush settings totaling approx. 0.60 ctw (F/G color, VS2). Total 31 natural diamonds. Weight 4.75g; size 7.5 (sizable); measures 20 x 11mm and rises 6mm. Signed “LB 10% IRIDID PLAT”. Very good conditions. All our diamonds and colored gemstones are naturally earth-mined. Any synthetic (lab-grown) stones will be clearly indicated in the description. Upon Request, Auction House may provide Ring resizing or/and appraisal. This will carry an additional cost. Appraisals are made by our in house GIA certified Gemologist.